Home / 61,355.12-92,032.56-16,981.74

Finding the Fourth Proportional to 61,355.12, 92,032.56 and 16,981.74

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Solution

The fourth proportional to 61,355.12, 92,032.56 and 16,981.74 is: 25,472.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,355.12 : 92,032.56 = 16,981.74 : x
  2. Step 2: Convert to fraction form
    61,355.12/92,032.56 = 16,981.74/x
  3. Step 3: Cross multiply
    61,355.12x = 92,032.56 × 16,981.74
  4. Step 4: Simplify right side
    61,355.12x = 1,562,873,005.45
  5. Step 5: Solve for x
    x = 1,562,873,005.45/61,355.12
  6. Step 6: Final answer
    x = 25,472.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.